Fuji Electric ALPHA5 Smart - 5.8 Short cycle time Operation Mode

CHAPTER 5 SERVO ADJUSTMENT
Short cycle time Operation Mode 5-23
5
5.8 Short cycle time Operation Mode
Use the short cycle time operation mode to perform high-tact operation with the ball screw drive, and
when the semi-auto tuning adjustment has been executed with the ALPHA 5 series.
5.8.1 Conditions for Short cycle time Operation Mode
Check the following conditions to perform adjustment.
 The mechanical configuration should be relatively rigid.
 The backlash of the mechanical system is not large.
5.8.2 Parameters Used for Short cycle time Operation Mode
The parameters used for gain adjustment are shown in the table below.
No. Name Approximate reference value
PA1_13 Tuning mode 15: Short cycle time operation mode
PA1_14 Load inertia ratio Enter a stable assumed value (or average value).
PA1_15 Auto tuning gain 1
Enter while referring to "5.3.3 Approximate Reference
Value of Auto Tuning Gain 1."
PA1_16 Auto tuning gain 2 Set the parameter by following the flow chart in 5.8.3.
The adjustment parameters other than those in the table above are automatically adjusted.